Water maintenance

Sera - Pond Toxivec 5000 ml package

Safely remove harmful substances from your pond
Sera Pond Toxivec is an effective and safe product for removing harmful substances from your pond water.

How it works
Pond Toxivec immediately removes fish-toxic ammonia and nitrite from your pond.
It binds harmful heavy metals such as lead and copper and removes chlorine and chloramine.
Toxivec also reduces high nitrate levels, thereby limiting algae growth.
The water treatment product promotes and accelerates the establishment of a biological balance.
Protects the protective slime coating on the fish

Dosage: In cases of acute exposure to harmful substances, add 50 ml per 1000 litres of pond water. In cases of severe exposure to harmful substances, up to five times the dosage of this well-tolerated product may be used.

Product Contents – Microbe-Lift Phosphate Remover 4 L – Microbe-Lift

Effective phosphate control for ponds

Microbe-Lift Phosphate Remover is an advanced polymer blend with unique properties, designed to efficiently bind large amounts of phosphate without negatively affecting the pond water. The product is ideal for use at the start of a new pond or when filling an existing pond to prevent high phosphate concentrations from developing. In 'established' ponds, regular use of this phosphate remover also helps keep excessive phosphate accumulation under control, contributing to a healthy and stable aquatic environment.

Phosphate in ponds
Phosphate is produced in ponds through the decomposition of organic matter, such as food scraps, dead plant material, and fish waste. Although phosphate is essential for life, excessive concentrations can lead to water quality problems, including excessive algae growth and cloudy water. Microbe-Lift Phosphate Remover binds phosphate safely and effectively, keeping the water clear and maintaining a healthy biological balance. The product is completely harmless to fish, plants, and other aquatic organisms.

Key features and benefits:

• Binds large amounts of phosphate without negatively affecting the water.

• Ideal for starting up new ponds and for the regular maintenance of existing ponds.

• Reduces algae formation and promotes clear water.

• Safe for fish, plants, and all pond inhabitants.

• Helps maintain a stable biological balance and healthy water quality.

Dosage and use:

• Use 30 ml of Phosphate Remover per 400 litres of water.

• Depending on the water quality and the amount of organic waste, 30 ml can remove between 1 and 1.5 mg/l of phosphate.

• If phosphate levels remain high, repeat the dose.

• For very high phosphate concentrations, several treatments may be required to effectively remove the excess phosphate.

Application:
Microbe-Lift Phosphate Remover is suitable for all freshwater ponds where a low phosphate level of less than 0.3 mg/l is desired. The product supports a clear, healthy, and biologically stable pond environment and helps prevent problems such as excessive algae growth and cloudy water.

In short, Microbe-Lift Phosphate Remover 4 L offers a safe, effective, and user-friendly solution for removing excess phosphate from your pond water and thus maintaining a healthy, clear, and balanced ecosystem.

KH+ 15 kg – Aquatic Science

Increase carbonate hardness for stable and healthy pond water.
Aquatic Science KH+ 15 kg is specially developed to increase and stabilize the carbonate hardness (KH) of the pond water. A stable KH value (between 6 and 12°dH) is essential for a constant pH, healthy plants, and strong fish. Rainwater often lowers the KH, which disrupts the biological balance. KH+ quickly corrects this and provides the water with natural trace elements for a sustainable balance.

Key benefits

• Stabilizes pH and KH – prevents fluctuations that affect filtration and the ecosystem.

• Improves biological filtration – supports bacterial activity and oxygen uptake.

• Promotes the health of fish and plants – prevents stress and growth retardation.

• Rich in natural minerals and trace elements – for long-lasting biological balance.

• Large 15 kg package – ideal for large ponds and professional maintenance.

Application

1. Spread KH+ evenly over the water surface (do not dilute beforehand).

2. Work in small quantities and wait at least 24 hours between treatments.

3. Check both the KH and pH values after each application.

4. Recommended KH value: between 6 and 12°dH.

5. Store in a dry place between 10 °C and 25 °C.

The Colombo KH+ 5000 ml is a powerful product specially developed to increase and stabilize the carbonate hardness (KH) of pond water. The KH value is one of the most important parameters in the pond and determines the buffering capacity of the water. This means that it directly affects the stability of the pH value, which in turn is crucial for the health of fish, plants, and beneficial bacteria.

A KH value that is too low can lead to strong pH fluctuations, which causes stress in fish and reduces the effectiveness of the filter system. Beneficial bacteria responsible for breaking down waste also function less effectively when the KH is too low. The result is often deteriorated water quality, algae growth, and an unstable pond environment.

By regularly using Colombo KH+, the carbonate hardness is maintained at the right level and the pH value remains stable. This contributes to a healthy and clear pond environment in which fish and plants can thrive optimally. In addition, a stable KH ensures the efficient operation of the biological filter, allowing waste products to be broken down more effectively and greatly reducing the risk of problems such as ammonia or nitrite spikes.

The 5000 ml version is particularly suitable for medium to large ponds and provides enough product for multiple applications. The product is easy to dose and works quickly, allowing you to notice an improvement in the water parameters within a short time. Regularly testing the water quality and correcting it in time with KH+ prevents problems and ensures a stable pond environment in the long term.

The Colombo KH+ 5000 ml is an essential product for every pond enthusiast who strives for healthy fish, a stable biological balance, and clear water. By incorporating this product into your pond maintenance, you give your pond the best chance of a permanently healthy and stable environment.

GH+ 5 kg – Aquatic Science

Restore the hardness of your pond water for a stable and healthy ecosystem.
Aquatic Science GH+ 5 kg increases and stabilizes the total hardness (GH) of the water, an essential parameter for the growth of fish and plants and the operation of biological filtration. Rainwater or prolonged drought can lower the GH, leading to unstable water parameters. GH+ quickly corrects this thanks to its natural, mineral-rich composition.

Key benefits

• Increases and stabilizes the GH level – supports filtration and water purification.

• Promotes healthy growth of fish and plants – prevents stress and stunted growth.

• Stimulates biological activity – helps with the mineralization of sludge.

• Natural mineral extract – rich in salts and trace elements.

• Large 5 kg package – suitable for regular maintenance of medium to large ponds.

Application

1. Shake the package well before use.

2. Sprinkle the product evenly over the water surface without pre-diluting.

3. Dosage: 25 g per m³ of water to increase the GH by 1 to 2°.

4. Use small amounts at a time and wait at least 24 hours between treatments.

5. Check the GH and pH levels with each application.

6. Store in a dry place between 10 °C and 25 °C.

7. Shelf life: 2 years under normal conditions.

Colombo KH+ 2500 ml – For a stable pH and healthy pond life

Colombo KH+ is a specially developed water treatment that increases the carbonate hardness (KH) of pond water. A proper KH level is essential for maintaining a stable acidity level (pH), healthy pond life, and clear water. The KH level indicates the amount of dissolved carbonates and bicarbonate compounds in the water – substances that act as a buffer against sudden pH fluctuations.

Too low a KH can lead to dangerous fluctuations in the pH level, causing stress and damage to fish, plants, and bacteria. By regularly adding Colombo KH+, the carbonate hardness is maintained at the right level, keeping the pond environment stable and healthy.

This liquid formula is easy to add to the pond water and works quickly and effectively. Regular monitoring and correction of the KH level is an important part of responsible pond maintenance.

Main features:

• Volume: 2500 ml – suitable for large ponds

• Increases and stabilizes the carbonate hardness (KH)

• Prevents pH fluctuations and acidification of the water

• Supports clear water and healthy pond biology

• Easy to use – suitable for all pond types

Application:
First measure the KH level with a suitable test kit. Add Colombo KH+ according to the dosage instructions on the packaging. Regular monitoring is recommended, especially after heavy rainfall or water changes.

Sera Bio Nitrivec 5000 ml is a powerful bacterial starter for aquarium water and supports a rapid, stable establishment of the biological balance. The product contains a special mix of high-quality cleaning bacteria that help break down harmful substances and prevent rising ammonia and nitrite levels.

This large package is ideal for larger aquariums, professional use, or intensive maintenance. When starting up a new aquarium, after a water change, or after filter maintenance, Bio Nitrivec helps to quickly strengthen the bacterial culture. MaJa Koi states that with Sera Bio Nitrivec, fish can be introduced after just 24 hours and that the product helps prevent an increase in ammonia and nitrite.

Key points

• Contains a mix of high-quality cleaning bacteria
• Supports the biological start-up of aquarium water
• Helps prevent an increase in ammonia and nitrite
• Suitable after starting up a new aquarium
• Practical after a water change or filter maintenance
• Strengthens the bacterial culture in the filter system
• Contributes to more stable and healthier aquarium water
• Makes it possible to introduce fish after just 24 hours
• Suitable for intensive or professional use
• Large package of 5000 ml

The Colombo KH+ 1000 ml is an effective product specially developed to increase and stabilize the carbonate hardness (KH) of pond water. The KH value is one of the most important parameters for a healthy pond environment, as it directly affects the pH level. A stable pH is essential for the well-being of fish, the growth of aquatic plants, and the optimal performance of beneficial bacteria in the filtration system.

When the KH value is too low, the water loses its buffering capacity, leading to pH fluctuations. These fluctuations can cause stress in fish and weaken their immune systems, making them more susceptible to diseases. The biological filter also functions less effectively, as the bacteria that break down waste products are insufficiently active at an unstable pH. This can result in increased ammonia and nitrite levels, which deteriorate the water quality.

With Colombo KH+, the KH value can easily be adjusted and maintained at an optimal level. This ensures that the pH level remains stable, the filter bacteria function properly, and the pond remains clear and healthy. The product works quickly and is easy to dose, allowing you to notice an improvement in water quality within a short time.

The 1000 ml package is ideal for smaller ponds or for targeted adjustments of the water parameters. The product offers a sufficient volume for multiple applications, making it a practical choice for pond enthusiasts who want to keep their pond water balanced over the long term.

The Colombo KH+ 1000 ml is an essential tool for preventing pH fluctuations and ensuring a stable and healthy pond environment. By using this product regularly, you provide your fish, plants, and bacteria with the best conditions to thrive.

Product Content – GH+ 5000ml – Colombo

GH+ 5000ml by Colombo is a powerful and professional product specially developed to effectively increase the general hardness (GH) of large ponds and aquariums. General hardness indicates the concentration of calcium and magnesium ions in the water, which are essential for a healthy and stable ecosystem. A correct GH level supports the growth and vitality of fish, aquatic plants, and other aquatic organisms, and helps maintain a balanced aquatic environment.

A GH level that is too low can lead to stress in fish, reduced plant growth, and an unstable aquatic environment, affecting the overall well-being of the pond system. With GH+ by Colombo, you can increase the hardness accurately and in a controlled manner, keeping the water parameters within the ideal range. The product is suitable for both freshwater aquariums and ornamental ponds and can be used by both private pond owners and professional pond and aquarium managers.

The 5000ml package makes GH+ ideal for medium to very large ponds or aquariums. Its generous volume allows for multiple applications or the treatment of a large water surface area at once. The product can be used preventively to keep water parameters stable and prevent problems caused by low hardness, but also curatively to quickly and safely correct water parameters that are already too soft.

Key features:

• Effectively increases the general hardness (GH) of pond and aquarium water.

• Supports a stable, healthy, and balanced ecosystem.

• Promotes the growth, vitality, and health of fish and aquatic plants.

• Suitable for medium to very large ponds and aquariums.

• Accurate and easy to dose for reliable results.

• Safe for fish and plants when used correctly.

• Suitable for preventive and curative use to keep water parameters optimal.

• Can be combined with other Colombo products for comprehensive water management.

In short, GH+ 5000ml – Colombo offers a reliable, safe, and user-friendly solution for increasing the general hardness in ponds and aquariums. The product supports healthy water chemistry, promotes the well-being of fish and plants, and helps maintain a stable and attractive ecosystem. With GH+, you can maintain an optimally functioning and easy-to-maintain pond or aquarium environment, even for large bodies of water.

Sera KH/pH-Plus 5000 ml is a powerful water conditioner for specifically increasing the carbonate hardness KH and stabilizing the pH value in aquarium water. A stable KH value is essential, as it acts as a natural buffer against sudden pH fluctuations. This product therefore helps to make the aquarium environment safer, more stable and easier to control.

This large package is ideal for larger aquariums, intensive maintenance or professional use. Especially with soft tap water, osmosis water or aquariums in which the KH value drops quickly, KH/pH-Plus offers a practical solution to structurally support the water parameters. MaJa Koi states that the 5000 ml package is suitable for 30,000 liters of water hardness.

Key points

• Increases the KH value / carbonate hardness
• Helps to stabilize the pH value
• Supports a safer and more stable aquarium environment
• Important for soft water, osmosis water or low KH values
• Helps prevent sudden pH fluctuations
• Practical for larger aquariums and more intensive maintenance
• Suitable as part of regular water care
• Contributes to better control over water quality
• Ideal for aquariums where stable water parameters are crucial
• Contents suitable for approximately 30,000 liters of water

GH+ 2,500 ml - Colombo

Colombo GH+ has been specially developed to increase the general hardness (GH) of pond water. A correct GH level is essential for stable water quality and helps create a healthy environment for fish, aquatic plants and beneficial bacteria.

The 2,500 ml package is ideal for treating ponds where the GH level is too low and needs to be easily corrected.

Why the GH level is important

General hardness (GH) indicates the amount of dissolved minerals, such as calcium and magnesium, in the water. A good GH level supports a stable biological balance and helps limit fluctuations in water quality.

By maintaining the GH level, you create optimal conditions for a healthy pond.

Application

Use Colombo GH+ when a water test shows that the GH level is too low. Check the water parameters regularly and dose the product according to the recommended dosage on the packaging.

Specifications

• Contents: 2,500 ml
• Increases general hardness (GH)
• Suitable for ponds and koi ponds
• Supports stable water quality

Special pond salt – natural support for healthy and strong fish

Special pond salt is a 100% pure and natural product without chemical additives, developed to support the health and vitality of pond fish. It is an essential addition to pond maintenance and contributes to a stable and balanced pond environment.

Supports the osmotic balance of fish

A correct osmotic balance is crucial for the functioning of fish. Pond salt helps the fish's body maintain the right balance between water and salts, which directly contributes to their well-being and resistance.

Strengthens the immune system

Through regular use, pond salt supports the immune system of fish. This makes them more resistant to external influences and helps prevent health problems.

Preventive effect against diseases

Pond salt has a preventive effect against:

• Bacterial infections
• Parasites
• Fungi

This significantly reduces the chance of disease and keeps the pond population healthier.

Promotes recovery after stress

After stressful situations such as transport, temperature fluctuations, or treatment, pond salt helps fish recover faster. It supports the natural regeneration process and increases vitality.

Improves water quality and pond environment

In addition to the direct benefits for fish, pond salt contributes to better water quality. It helps keep the pond environment stable and supports a healthy biological balance.

Completely natural and safe to use

Because this product is free from chemical additives, it is safe to use in ponds with fish and plants. It offers a natural way to optimize pond conditions.

Ideal for regular pond maintenance

For optimal results, it is recommended to apply pond salt regularly as part of maintenance. This ensures continuous support for health and water quality.

Reliable foundation for a healthy pond

With special pond salt, you choose a simple but effective solution to keep your pond healthy, stable, and vibrant.

Product Contents – Microbe-Lift Barley Straw Extract 1 L – Microbe Lift

Microbe-Lift Barley Straw Extract is a powerful liquid extract of barley straw that naturally helps control unwanted algae growth in ponds and water features. This extract works by effectively binding and retaining excess nutrients derived from organic waste, preventing algae from developing. Using barley straw for water purification is an age-old method, and Microbe-Lift has transformed this natural power into a concentrated, easy-to-use liquid product.

Unlike traditional hay bales, this liquid extract offers a much more efficient and cleaner way to regulate nutrients. One bottle of Microbe-Lift Barley Straw Extract is equivalent to several hay bales, providing the same effectiveness without the hassle of floating straw or waste residue. The product is completely safe for fish, plants, people, and other animals, making it an environmentally friendly solution for pond maintenance.

Key Features and Benefits:

• Natural Algae Control: Liquid barley straw extract that naturally controls unwanted algae growth.

• Nutrient Binding: Binds nutrients produced by organic waste, thereby reducing algae growth.

• Environmentally Friendly: Safe for the environment, fish, plants, animals, and people.

• Effective Year-Round: Works all year round for continuous algae growth control.

• No Waste Residue: No straw residue like with traditional hay bales.

• Highly Concentrated: One bottle replaces several bales of barley straw, for efficient application.

Application and Use:

• Immediate Action: The extract starts working immediately after dosing, so you see results quickly.

• Safety: Safe to use for all pond inhabitants and the environment.

• Long-Lasting Effectiveness: Keeps the pond clear and healthy throughout the year.

• Easy to Use: No hassle with floating hay bales or waste residue; simply dose directly into the water.

Microbe-Lift Barley Straw Extract offers an effective, natural, and user-friendly solution for controlling algae in your pond. It supports a clear, balanced, and healthy aquatic environment, allowing you to enjoy a beautiful, well-aerated pond without the drawbacks of traditional methods.

Product Content – GH+ 1000ml – Colombo

GH+ 1000ml by Colombo is a professional product specially developed to effectively increase the general hardness (GH) of pond and aquarium water. General hardness indicates the concentration of calcium and magnesium ions in the water, which are essential for a healthy and stable ecosystem. A correct GH value supports the optimal development of fish, aquatic plants, and other aquatic organisms.

A GH value that is too low can lead to stress in fish, reduced plant growth, and an unstable aquatic environment. With GH+ by Colombo, you can increase the hardness precisely and in a controlled manner, keeping the water parameters within the ideal range. The product is suitable for both freshwater aquariums and ornamental ponds and can be used by both hobbyists and professional pond and aquarium managers.

Usage and benefits:

• Increases the general hardness (GH) of pond and aquarium water.

• Supports a healthy ecosystem by maintaining optimal water hardness.

• Promotes the growth and vitality of fish and aquatic plants.

• Easy and precise to dose with clear instructions.

• Safe to use in both ponds and aquariums when applied correctly.

• Helps prevent water problems caused by low hardness and maintains stability.

• Suitable for preventive and maintenance-oriented use to optimize water parameters.

Key features:

• Contents: 1000 ml for multiple applications in medium to large ponds or aquariums.

• Precise composition for reliable results.

• Suitable for both private and professional applications.

• Promotes a healthy, clear, and stable aquatic environment.

• Use together with other Colombo products for optimal water management.

In short, GH+ 1000ml – Colombo is an essential tool for anyone striving for a stable and healthy pond or aquarium environment. The product effectively increases general hardness, supports balanced water chemistry, and contributes to the health and vitality of fish, plants, and the entire ecosystem. With GH+, you maintain optimal water quality and an attractive, well-maintained pond or aquarium.

With CrystalMax, you achieve the highest possible filtration performance per liter of volume! CrystalMax is an extremely porous filter medium made of glass with unique properties and an extremely large surface area for microorganisms (275m2 per liter of volume). Due to the rapid adhesion, it acts as a sponge for microorganisms and the filter with CrystalMax has a short start-up time. Waste products and harmful substances are broken down very effectively by the aerobic (oxygen-rich) and anaerobic (oxygen-poor) filtration processes. With a free filter bag, for the easy use and replacement of Crystal Max.

Sera Pond Bio Nitrivec removes ammonia and nitrite from the pond water, and also binds harmful heavy metals such as lead and copper. Nitrate levels are reduced, which also reduces algae growth.

This product protects the protective slime coat of the fish and accelerates the biological balance of your pond. This makes the pond water healthy and clear.

Dosage: 100 ml monthly per 500 liters of pond water (at a water temperature of 8 degrees or higher)

Microbe-Lift Bio Black Pond Color 500ml – A mystical appearance and biological support for a healthy pond

Give your pond an elegant and mysterious appearance with Microbe-Lift Bio Black Pond Color. This high-quality enzyme and dye solution combines aesthetics with ecological benefits. The formula not only provides a deep, black color to the water, but also actively helps improve the biological balance in the pond.

This dye is particularly suitable for reflecting ponds, ornamental ponds, and koi ponds, where a dark water color creates a stunning reflection of the surroundings. At the same time, the dye reduces light penetration, which slows down algae growth and promotes water clarity. The result is a pond that is not only visually appealing, but also stays cleaner and healthier.

The added enzymes help with the breakdown of organic waste, which prevents odors and improves water quality. Within a few hours after application, the dye dissolves completely, without leaving residues or causing damage to fish, plants, or other pond inhabitants. The dye is completely safe for flora, fauna, and humans.

Directions for use:
The dye is easy to apply and requires no complicated preparation. Add the recommended amount directly to the pond water. Please note: undiluted, the product can cause stains on clothing or surfaces. Therefore, wear suitable gloves and avoid spills.

Key features:

• Contents: 500 ml

• Gives the pond water a deep, black color with a luxurious appearance

• Reduces light penetration and slows down algae growth

• Promotes the biological balance with natural enzymes

• Improves odor control and the breakdown of organic waste

• Completely safe for koi, fish, plants, and other pond inhabitants

• Results visible within a few hours

• Easy to use, without residue stains when used correctly

Benefits according to the pond specialist:

• Improves reflection

• Promotes a healthy environment

• Safe and user-friendly

• Fast visible results

Point of attention:
– Undiluted use can cause stains
– The color intensity may vary depending on water quality and volume

Transform your pond into an enchanting and healthy ecosystem with Microbe-Lift Bio Black Pond Color. An excellent choice for pond enthusiasts who want to combine beauty and ecology.

Oase AquaActiv PhosLess

Long-lasting phosphate binding for an algae-free and healthy pond

Oase AquaActiv PhosLess is a powerful and long-lasting filter medium specially developed for the targeted removal of phosphates – the main nutrient source for algae. By binding phosphates from the pond water, algae growth is effectively and naturally limited, ensuring clearer water and a stable pond environment.

Thanks to the innovative 2-component technology, PhosLess works extra effectively: it not only binds phosphates, but also removes toxic heavy metals such as copper, lead and zinc from the water. This not only prevents algae growth, but also improves the well-being of fish and other pond inhabitants.

PhosLess is designed for use in filter systems and works for a long time without burdening the water. For extra convenience, the product is also available in a smart refill package.

Main benefits:

• Effectively removes phosphate and thus inhibits algae growth

• Innovative 2-component technology for extra purifying action

• Binds heavy metals such as copper, lead and zinc

• Supports long-lasting clear and healthy pond water

• Suitable for use in pond filters

• Also available as a practical refill package

Application:
Place PhosLess in the filter compartment or in the water flow. Check regularly and replace when saturated for lasting effectiveness.

KH+ 15,000 ml / 105,000 L - Colombo

Colombo KH+ has been specially developed to increase the carbonate hardness (KH) of pond water. A good KH level is important for maintaining a stable pH level and contributes to a healthy biological balance in the pond.

With a volume of 15 liters, this package is suitable for treating a maximum of 105,000 liters of pond water, making it ideal for large ponds and professional use.

Why the KH level is important

Carbonate hardness (KH) acts as a buffer for the pH level of the pond water. When the KH level is too low, the pH can fluctuate significantly. This can cause stress in fish and negatively affect the operation of the biological filter system.

By maintaining the KH level, the water quality remains stable and sudden pH fluctuations are prevented.

Application

Use Colombo KH+ when a water test shows that the KH level is too low. Check the water parameters regularly and dose the product according to the recommended dosage on the packaging.

Specifications

• Volume: 15,000 ml (15 liters)
• Treats a maximum of 105,000 liters of pond water
• Increases carbonate hardness (KH)
• Supports a stable pH level
• Suitable for ponds and koi ponds

The Colombo Aqua KH test is an essential tool for measuring the carbonate hardness (KH) of your aquarium water. With this accurate test kit, you can quickly and reliably check the KH level of your aquarium, which is essential for maintaining a stable pH and a healthy aquatic environment.

An optimal KH level is vital for a well-functioning aquarium. It directly affects the stability of the pH level and is an indicator of the water's ability to resist fluctuations in acidity. By regularly measuring the KH, you can proactively address problems such as sudden pH drops or rises and ensure the health of your fish and plants.

The Colombo Aqua KH test is easy to use and provides quick and accurate results. The test kit contains all the necessary reagents and clear instructions for a hassle-free testing procedure. Suitable for both beginners and experienced aquarists, this test kit is a reliable companion for managing freshwater and saltwater aquariums.

Keep your aquarium water stable and healthy with the Colombo Aqua KH test - the ideal choice for accurate KH monitoring and water management in your aquarium.